Editing Naloxone (section)

===Names===
Naloxone is its [[international nonproprietary name]], [[British Approved Name]], [[Dénomination Commune Française]], [[Denominazione Comune Italiana]], and [[Japanese Accepted Name]], while naloxone hydrochloride is its [[United States Adopted Name]] and [[British Approved Name|British Approved Name (Modified)]].<ref name="Elks2014">{{cite book|url=https://books.google.com/books?id=0vXTBwAAQBAJ&pg=PA851|title=The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies|vauthors=Elks J|date=14 November 2014|publisher=Springer|isbn=978-1-4757-2085-3|pages=851–|access-date=20 November 2017|archive-date=13 January 2023|archive-url=https://web.archive.org/web/20230113020759/https://books.google.com/books?id=0vXTBwAAQBAJ&pg=PA851|url-status=live}}</ref><ref name="IndexNominum2000">{{cite book|url=https://books.google.com/books?id=5GpcTQD_L2oC&pg=PA715|title=Index Nominum 2000: International Drug Directory|publisher=Taylor & Francis|year=2000|isbn=978-3-88763-075-1|pages=715–|access-date=20 November 2017|archive-date=13 January 2023|archive-url=https://web.archive.org/web/20230113020800/https://books.google.com/books?id=5GpcTQD_L2oC&pg=PA715|url-status=live}}</ref><ref name="MortonHall2012">{{cite book|url=https://books.google.com/books?id=tsjrCAAAQBAJ&pg=PA189|title=Concise Dictionary of Pharmacological Agents: Properties and Synonyms| vauthors = Morton IK, Hall JM |date=6 December 2012|publisher=Springer Science & Business Media|isbn=978-94-011-4439-1|pages=189–}}</ref><ref name="Drugs.com">{{cite web|url=https://www.drugs.com/international/naloxone.html|title=Naloxone|access-date=20 November 2017|archive-date=1 December 2017|archive-url=https://web.archive.org/web/20171201044530/https://www.drugs.com/international/naloxone.html|url-status=live}}</ref>

The [[patent]] has expired and it is available as a [[generic drug|generic medication]]. Several formulations use patented dispensers (spray mechanisms or autoinjectors), and patent disputes over the generic forms of the nasal spray were litigated between 2016 and 2020 when a judge ruled in favor of Teva, the generic manufacturer.<ref>{{cite web|title=Teva Invalidates Opiant Patents In Narcan Suit - Law360|url=https://www.law360.com/articles/1280639/teva-invalidates-opiant-patents-in-narcan-suit|access-date=5 January 2022|website=www.law360.com|archive-date=7 January 2022|archive-url=https://web.archive.org/web/20220107035328/https://www.law360.com/articles/1280639/teva-invalidates-opiant-patents-in-narcan-suit|url-status=live}}</ref> Teva announced entry of the first generic nasal spray formulation in December 2021.<ref name="Teva Pharmaceuticals_2021">{{cite press release | title=Teva Announces Launch of First-to-Market Generic Version of Narcan (Naloxone Hydrochloride Nasal Spray), in the U.S. | publisher=Teva Pharmaceuticals | via=Business Wire | date=22 December 2021 | url=https://www.businesswire.com/news/home/20211222005564/en/ | access-date=2 August 2023}}</ref> Brand names of naloxone include Narcan, Kloxxado, Nalone, Evzio, Prenoxad Injection, Narcanti, Narcotan, and Zimhi, among others.